def generate_policy_verification_report(policy_json, policy_hash, is_verified):
    """
    生成策略验证报告
    :param policy_json: 策略的JSON表示
    :param policy_hash: 预期的哈希值
    :param is_verified: 验证结果
    :return: 报告
    """
    report = {
        "policy_json": policy_json,
        "policy_hash": policy_hash,
        "verification_status": "Verified" if is_verified else "Failed"
    }
    return report

# 示例
policy_json = json.dumps(policy)
policy_hash = hashlib.sha256(policy_json.encode()).hexdigest()
is_verified = verify_shared_policy(policy_json, policy_hash)
report = generate_policy_verification_report(policy_json, policy_hash, is_verified)
print(f"Policy verification report: {report}")